Perhaps you should try some spelling variations:
communications costs » communication costs, communications _
port development » export development, airport development, forest development
development eco » development second, development east, development menu
die variation » de variation, does variation, der variation
typology die » typology _, typology 4.1, typology 6
variation de » variation des, variation der, variation due
de monetary » die monetare, fed monetary, new monetary
eco afrique » en afrique
costs port » costs part, costs export, costs short

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: typology die variation de monetary data communications costs port development eco afrique.*.